【VC开源代码栏目提醒】:网学会员--在 VC开源代码编辑为广大网友搜集整理了:DIBDOC.CPP绩等信息,祝愿广大网友取得需要的信息,参考学习。
// DibDoc.cpp : implementation of the CDibDoc class
//
#include "stdafx.h"
#include "DibLookEx.h"
#include "Dib.h"
#include "DibDoc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDibDoc
IMPLEMENT_DYNCREATE(CDibDoc, CDocument)
BEGIN_MESSAGE_MAP(CDibDoc, CDocument)
//{{AFX_MSG_MAP(CDibDoc)
// NOTE - the ClassWizard will add and remove mapping macros here.
// DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDibDoc construction/destruction
CDibDoc::CDibDoc()
{
// TODO: add one-time construction code here
}
CDibDoc::~CDibDoc()
{
}
BOOL CDibDoc::OnNewDocument()
{
if (!CDocument::OnNewDocument())
return FALSE;
// TODO: add reinitialization code here
// (SDI documents will reuse this document)
return TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// CDibDoc diagnostics
#ifdef _DEBUG
void CDibDoc::AssertValid() const
{
CDocument::AssertValid();
}
void CDibDoc::Dump(CDumpContext& dc) const
{
CDocument::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDibDoc commands
BOOL CDibDoc::OnOpenDocument(LPCTSTR lpszPathName)
{
if (!CDocument::OnOpenDocument(lpszPathName))
return FALSE;
CFile file;
CFileException fe;
if (!file.Open(lpszPathName, CFile::modeRead | CFile::shareDenyWrite, &fe))
{
ReportSaveLoadException(lpszPathName, &fe, FALSE, AFX_IDP_FAILED_TO_OPEN_DOC);
return FALSE;
}
DeleteContents();
BeginWaitCursor();
// replace calls to Serialize with ReadDIBFile function
TRY
{
m_DIB.Read(file);
}
CATCH (CFileException, eLoad)
{
file.Abort(); // will not throw an exception
EndWaitCursor();
ReportSaveLoadException(lpszPathName, eLoad, FALSE, AFX_IDP_FAILED_TO_OPEN_DOC);
return FALSE;
}
END_CATCH
EndWaitCursor();
if (!m_DIB.IsValid())
{
// may not be DIB format
CString strMsg;
strMsg.LoadString(IDS_CANNOT_LOAD_DIB);
MessageBox(NULL, strMsg, NULL, MB_ICONINFORMATION | MB_OK);
return FALSE;
}
SetPathName(lpszPathName);
SetModifiedFlag(FALSE); // start off with unmodified
return TRUE;
}
BOOL CDibDoc::OnSaveDocument(LPCTSTR lpszPathName)
{
CFile file;
CFileException fe;
if (!file.Open(lpszPathName, CFile::modeCreate | CFile::modeReadWrite | CFile::shareExclusive, &fe))
{
ReportSaveLoadException(lpszPathName, &fe, TRUE, AFX_IDP_INVALID_FILENAME);
return FALSE;
}
// replace calls to Serialize with SaveDIB function
BOOL bSuccess = FALSE;
TRY
{
BeginWaitCursor();
bSuccess = m_DIB.Save(file);
file.Close();
}
CATCH (CException, eSave)
{
file.Abort(); // will not throw an exception
EndWaitCursor();
ReportSaveLoadException(lpszPathName, eSave, TRUE, AFX_IDP_FAILED_TO_SAVE_DOC);
return FALSE;
}
END_CATCH
EndWaitCursor();
SetModifiedFlag(FALSE); // back to unmodified
if (!bSuccess)
{
// may be other-style DIB (load supported but not save)
// or other problem in Save
CString strMsg;
strMsg.LoadString(IDS_CANNOT_SAVE_DIB);
MessageBox(NULL, strMsg, NULL, MB_ICONINFORMATION | MB_OK);
}
return TRUE;
}
DWORD CDibDoc::ReadDIBFromHandle(HGLOBAL hGlobal)
{
DWORD dwResult = m_DIB.ReadFromHandle(hGlobal);
SetModifiedFlag(TRUE);
UpdateAllViews(NULL);
return dwResult;
}
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